vul ‧ can ‧ ize BrE AmE ( also vulcanise British English ) /ˈvʌlkənaɪz/ verb [transitive]
[ Date: 1800-1900 ; Origin: Vulcan ]
to make rubber stronger by using a special chemical treatment
—vulcanization /ˌvʌlkənaɪˈzeɪʃ ə n $ -nə-/ noun [uncountable]